piling on

Noun

 * 1) A fighting tactic wherein multiple people attack another.
 * 2)  An illegal strategy wherein players tackle an opposing player.
 * 3) The process by which additional combatants join an ongoing fight or argument when they think they know who will win so that they will be on the winning side.
 * 4) The process by which multiple people pick on, complain about or list the faults of their target.
 * 5)  An ongoing increase in a change or phenomenon, such as the popularity of a fad.
 * 6) The steady addition of more problems to an already problematic situation or circumstance.
 * 7) Doing more and more (of something), especially when it is inappropriate or problematic, such as by continuing to break a diet